Software developers use the .NET Framework to build applications more efficiently by leveraging pre-written code libraries. Version 3.5 was a monumental release for Microsoft, meaning an enormous volume of software built between 2008 and 2015 requires it.
The most reliable way to install .NET Framework 3.5 offline is by using the Windows 10 installation media (ISO file or USB drive). The required files are located within the sources\sxs folder. Prerequisites Windows 10 64-bit ISO file or USB bootable drive. Administrator access. Step-by-Step Instructions
Do you currently have the (ISO or USB) available?
What are you trying to get running?
Double-click your Windows 10 ISO file to mount it as a virtual drive. Alternatively, plug in your Windows 10 installation USB.
Many legacy Windows applications, older games, and enterprise software utilities still require Microsoft .NET Framework 3.5 to run. While Windows 10 comes pre-installed with newer versions like .NET Framework 4.8, it does not enable version 3.5 by default.
Without .NET 3.5 installed, attempting to run these applications will trigger an immediate error window stating: "An app on your PC needs the following Windows feature: .NET Framework 3.5 (includes .NET 2.0 and 3.0)." Net Framework 3.5 Offline Installer Windows 10 64 Bit
Although newer versions of the .NET Framework are available, there are still many applications that rely on .NET Framework 3.5 to function properly. Some common scenarios where you may need to install .NET Framework 3.5 include:
Ensure you are using a to install the framework on a 64-bit operating system. Using a 32-bit (x86) source image will trigger an error. 3. Group Policy Restrictions
Securely download the official Microsoft .cab package for .NET Framework 3.5 Windows 10 64-bit. Software developers use the
How to Install .NET Framework 3.5 Offline on Windows 10 (64-Bit)
Microsoft publishes the offline package in the . Search for "Windows 10 64-bit .NET Framework 3.5 cab" . You will find a file named: